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Formalism in general relativity
Regge calculus is a formalism for producing simplicial approximations of spacetimes that are solutions to the Einstein field equation. The calculus was
Regge_calculus
Italian theoretical physicist (1931–2014)
known as Regge theory. In the early 1960s, Regge introduced Regge calculus, a simplicial formulation of general relativity. Regge calculus was the first
Tullio_Regge
Topics referred to by the same term
Regge may refer to Tullio Regge (1931-2014), Italian physicist, developer of Regge calculus and Regge theory Regge calculus, formalism for producing simplicial
Regge
types becomes much easier when compared with the tensorial counterpart. Regge calculus is a formalism which chops up a Lorentzian manifold into discrete 'chunks'
Mathematics of general relativity
Mathematics_of_general_relativity
Tensor index notation for tensor-based calculations
Holonomic basis Matrix calculus Metric tensor Multilinear algebra Multilinear subspace learning Penrose graphical notation Regge calculus Ricci decomposition
Ricci_calculus
Formulation of general relativity
part on the work of DeWitt and Dirac include the Hartle–Hawking state, Regge calculus, the Wheeler–DeWitt equation and loop quantum gravity. In the Hamiltonian
Canonical_quantum_gravity
British physicist (born 1945)
quantum mechanics and general relativity. Her particular approach, called Regge calculus, is a version of discrete gravity where curved space-times are approximated
Ruth_Margaret_Williams
Discrete geometries used in spin foam models
Intrinsic and extrinsic curvatures are defined in a manner similar to Regge calculus, but with the generalisation of including a certain type of metric discontinuities:
Twisted_geometries
Hypothetical approach to quantum gravity with emergent spacetime
all joined edges of simplices agree. CDT is a modification of quantum Regge calculus where spacetime is discretized by approximating it with a piecewise
Causal dynamical triangulation
Causal_dynamical_triangulation
Description of gravity using discrete values
geometry Path-integral based models of quantum cosmology Quadratic gravity Regge calculus Shape Dynamics String-nets and quantum graphity Supergravity Twistor
Quantum_gravity
Theory of gravitation as curved spacetime
lattice theory of gravity based on the Feynman Path Integral approach and Regge calculus, dynamical triangulations, causal sets, twistor models or the path integral
General_relativity
Field equation from quantum gravity
constraint Euclidean quantum gravity Loop quantum gravity Peres metric Regge calculus Universal wave function DeWitt, Bryce S. (1967-08-25). "Quantum Theory
Wheeler–DeWitt_equation
Multi-dimensional generalization of triangle
replaced by a halogen atom. In some approaches to quantum gravity, such as Regge calculus and causal dynamical triangulations, simplices are used as building
Simplex
Sub-area of scientific computing for solving General Relativity equations
methods have received a majority of the attention, characteristic and Regge calculus based methods have also been used. All of these methods begin with a
Numerical_relativity
Theory of quantum gravity merging quantum mechanics and general relativity
loop quantum gravity Noncommutative geometry – Branch of mathematics Regge calculus – Formalism in general relativity S-knot – Equivalence class of spin
Loop_quantum_gravity
Aspect of astrophysics history
such as the Turaeev–Viro model of 3D quantum gravity, and also to the Regge calculus approach to calculate the Feynman path integral of general relativity
History of loop quantum gravity
History_of_loop_quantum_gravity
Refrigerator Regelation Regenerative amplification Regenerative fuel cell Regge calculus Regge theory Reginald Victor Jones Regnier de Graaf Regularization (physics)
Index_of_physics_articles_(R)
Numerical coefficient in loop quantum gravity
Immirzi, G. (1997). "Quantum Gravity and Regge Calculus." Immirzi, G. (1997). "Quantum gravity and Regge calculus". Nuclear Physics B - Proceedings Supplements
Immirzi_parameter
Attempt to find a consistent theory of quantum gravity
renormalization Planck scale Physics applications of asymptotically safe gravity Regge Calculus Quantum gravity Renormalization group Ultraviolet fixed point 't Hooft
Asymptotic_safety
equivalence principle to approximately 1%. 1961 –Tullio Regge introduces the Regge calculus. 1961 – Carl H. Brans and Robert H. Dicke introduce Brans–Dicke
Timeline of gravitational physics and relativity
Timeline_of_gravitational_physics_and_relativity
conditions), A. K. Raychaudhuri (Raychaudhuri equation), Tullio Regge (Regge calculus), Hans Reissner (Reissner–Nordström metric), Wolfgang Rindler (Rindler
List of contributors to general relativity
List_of_contributors_to_general_relativity
Quantum field theory with a Lie group base manifold
Fractal cosmology Loop quantum gravity Planck scale Quantum gravity Regge calculus Simplex Simplicial manifold Spin foam Wayback Machine see Sec 6.8 Dynamics:
Group_field_theory
several loosely defined objects, commonly appearing in the study of Regge calculus. These objects combine attributes of a simplex with those of a manifold
Simplicial_manifold
Theory of subatomic structure
and had the appropriate Regge scaling at high energy. The amplitude could fit near-beam scattering data as well as other Regge type fits and had a suggestive
String_theory
Guest stars: Katie Rich as Cougar and Raymond St. Jacques 15 15 "Dr. Cupid" Regge Life Deanne Stillman February 11, 1988 (1988-02-11) 118 26.9/40 Dwayne tries
List of A Different World episodes
List_of_A_Different_World_episodes
Particle physicist
high-energy focused on four things: Regge pole theory, phenomenological models of photomeson production, jet calculus in quantum chromodynamics (QCD), and
Lorella_Jones
Theory of supergravity in four dimensions
Bibcode:2010AnPhy.325.1026B. doi:10.1016/j.aop.2009.09.010. Ne'eman, Y.; Regge, T. (1978). "Gauge Theory of Gravity and Supergravity on a Group Manifold"
4D_N_=_1_supergravity
father and lawyer. Absent: Tim Reid as Ray Campbell. 101 4 "We Are Family" Regge Life Rushion McDonald October 4, 1998 (1998-10-04) 604 3.35 Ray decides
List of Sister, Sister episodes
List_of_Sister,_Sister_episodes
Tsunami Tsunami warning system Tsung-Dao Lee Tullio Levi-Civita Tullio Regge Tunable laser Tunable metamaterials Tunable microwave device Tunnel injection
Index_of_physics_articles_(T)
Quantization procedure in quantum field theory
momentum transfer squared t {\displaystyle t} , shows that the intercept of Regge amplitudes u α ( t ) → − 1 {\displaystyle u^{\alpha }(t)\to -1} at large
Light-front quantization applications
Light-front_quantization_applications
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